A user working in a warehouse calls and tells you that his computer keeps freezing or rebooting at random. He also mentions it makes an annoying high-pitch squeak/squeal when running. What is the most likely issue?
Bad driver software
Battery not charging
Overheating/fan issues
Sticking keys
Warehouses are often dusty, which can clog fans and heatsinks, impeding cooling and promoting overheating. Random freezing and rebooting are classic symptoms of an overheating computer. The high-pitched noise is a strong indicator of a failing fan, which would be the cause of the overheating. These symptoms do not indicate a battery issue or sticky keys. While a bad driver could cause freezing or reboots, it would not explain the physical squealing noise. Therefore, the combination of the symptoms and the environment makes overheating due to a fan issue the most probable cause.
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